205129880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{76541}}^1$

素因数の和:76619

約数の個数: 32

約数和(自身を含む): 468437040

約数和(自身を除く): 263307160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 76541, 153082, 306164, 382705, 612328, 765410, 1530820, 3061640, 5128247, 10256494, 20512988, 25641235, 41025976, 51282470, 102564940, 205129880]

約数ペア:

[(1, 205129880), (2, 102564940), (4, 51282470), (5, 41025976), (8, 25641235), (10, 20512988), (20, 10256494), (40, 5128247), (67, 3061640), (134, 1530820), (268, 765410), (335, 612328), (536, 382705), (670, 306164), (1340, 153082), (2680, 76541)]